Tatjana.
Frontend Engineer · React / Next.js / TypeScript

Building polished interfaces that feel fast, premium and effortless.

I create modern web applications, e-commerce experiences and headless CMS websites with a strong focus on performance, clean architecture and refined UI.

Portfolio

Tatjana Devrnja

Available
Next.js Apps
Headless CMS
E-commerce UI
Premium Dashboards

4+

Years experience

12+

Core technologies

ReactNext.jsTypeScriptTailwind CSSWordPress HeadlessWPGraphQLContentfulSupabaseGraphQLREST APIGitFigma

About me

Frontend developer focused on performance, UX and real product impact.

I’m Tatjana, a Frontend Engineer with 4+ years of experience building modern web applications using React, Next.js and TypeScript.

I enjoy working on products where clean architecture, strong UX and performance directly influence business results. My experience includes e-commerce platforms, dashboard systems and headless CMS architectures.

4+ years

frontend experience

React / Next.js

main tech stack

CMS & E-commerce

headless architecture

What I bring

I combine strong frontend implementation with a refined sense for visual quality.

I enjoy turning Figma designs and product requirements into fast, responsive and maintainable interfaces. I work closely with designers and backend teams to build real-world, production-ready products.

Production-ready UI

I build clean, responsive interfaces that are ready for real users and easy to maintain at scale.

Performance mindset

Focused on fast rendering, optimized assets, SSR, metadata and overall product quality.

CMS flexibility

Experience with WordPress Headless, WPGraphQL and Contentful for scalable content-driven systems.

Main focus

Building interfaces that are not only visually polished, but also fast, structured and practical for real business use.

Focus areas

What I actually specialize in building.

I focus on real-world frontend systems that combine performance, clean architecture and premium user experience.

Frontend Architecture

Clean, scalable component systems built with React, Next.js and TypeScript.

Performance & SEO

SSR, optimized images, metadata, fast rendering and conversion-oriented pages.

Headless CMS

WordPress, WPGraphQL, Contentful and dynamic content structures.

E-commerce UI

Product cards, filters, categories, cart flows and polished storefront experiences.

Dashboard Interfaces

SaaS-style dashboards, sidebar systems, analytics cards and admin layouts.

Premium UI/UX

Modern, polished interfaces with strong visual hierarchy and smooth interactions.

Approach

I don’t just build UI — I build structured, scalable frontend systems that are ready for real users and real business growth.

Selected work

Projects designed to look clean, work fast and feel premium.

A mix of marketplace, SaaS, e-commerce, AI and client-facing websites built with modern frontend architecture.

Experience

Real production experience across e-commerce, CMS and web apps.

Oct 2025 — Jan 2026

Frontend Developer

Montenix

Implemented redesigned UI sections using React, Next.js and Tailwind CSS, translated Figma designs into responsive components and integrated dynamic Contentful CMS content.

Pixel-perfect responsive UI implementation
Contentful CMS integration
Performance-focused rendering
Improved layout consistency and user experience

2023 — 2025

Frontend Developer

Forga

Built production-ready e-commerce and presentation websites using React, Next.js, TypeScript, WordPress Headless and GraphQL.

Headless WordPress / GraphQL architecture
Reusable component systems
SSR and optimized image handling
Improved Lighthouse and page load performance

2021 — 2022

React / React Native Developer

Kortechs

Developed web and mobile features for a ride-booking platform, including booking flows, trip management and operational dashboards.

Booking and trip management flows
API integrations
Operational dashboard features
Agile cross-functional collaboration
Serbia · Available for remote work

Contact

Let’s create something that looks beautiful and works flawlessly.

Open for frontend roles, freelance projects and collaborations focused on React, Next.js, e-commerce, dashboards and headless CMS websites.

Send email

Email

devrnjat94@gmail.com

Open

LinkedIn

tatjana-devrnja

Open

GitHub

View projects

Open

Best fit

React / Next.js projects where UI quality, performance and clean implementation matter.